2217963 has 8 divisors (see below), whose sum is σ = 3226176. Its totient is φ = 1344200.

The previous prime is 2217947. The next prime is 2217967. The reversal of 2217963 is 3697122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2217963 - 2⁴ = 2217947 is a prime.

2217963 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2217963.

It is not an unprimeable number, because it can be changed into a prime (2217967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33573 + ... + 33638.

It is an arithmetic number, because the mean of its divisors is an integer number (403272).

2^2217963 is an apocalyptic number.

2217963 is a deficient number, since it is larger than the sum of its proper divisors (1008213).

2217963 is a wasteful number, since it uses less digits than its factorization.

2217963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67225.

The product of its digits is 4536, while the sum is 30.

The square root of 2217963 is about 1489.2827132549. The cubic root of 2217963 is about 130.4121632613.

The spelling of 2217963 in words is "two million, two hundred seventeen thousand, nine hundred sixty-three".